Aquamarine and Vesuvianite Idocrase Optical Properties

Aquamarine

Vesuvianite Idocrase

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

0.010.02

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.570-1.5921.700-1.725

1 3.25

1.6 Optic Character

Not Available

Uniaxial/-

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.005-0.0090.002-0.012

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Aquamarine and Vesuvianite Idocrase Optic Character

Aquamarine and Vesuvianite Idocrase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Aquamarine and Vesuvianite Idocrase Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Aquamarine and Vesuvianite Idocrase optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character. Vesuvianite Idocrase has Uniaxial/- character.

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Aquamarine and Vesuvianite Idocrase Transparency

Similar to their colors, Aquamarine and Vesuvianite Idocrase transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Aquamarine is Translucent, Transparent and Transparent to translucent while Aquamarine is Translucent, Transparent and Transparent to translucent in appearance.